Home / 17,276.40-23,835.20-11,311.47

Finding the Fourth Proportional to 17,276.40, 23,835.20 and 11,311.47

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Solution

The fourth proportional to 17,276.40, 23,835.20 and 11,311.47 is: 15,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.40 : 23,835.20 = 11,311.47 : x
  2. Step 2: Convert to fraction form
    17,276.40/23,835.20 = 11,311.47/x
  3. Step 3: Cross multiply
    17,276.40x = 23,835.20 × 11,311.47
  4. Step 4: Simplify right side
    17,276.40x = 269,611,093.19
  5. Step 5: Solve for x
    x = 269,611,093.19/17,276.40
  6. Step 6: Final answer
    x = 15,605.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.